21363176

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{43777}}^1$

素因数の和:43844

約数の個数: 16

約数和(自身を含む): 40713540

約数和(自身を除く): 19350364

約数列:

[1, 2, 4, 8, 61, 122, 244, 488, 43777, 87554, 175108, 350216, 2670397, 5340794, 10681588, 21363176]

約数ペア:

[(1, 21363176), (2, 10681588), (4, 5340794), (8, 2670397), (61, 350216), (122, 175108), (244, 87554), (488, 43777)]